Semi-simple groups that are quasi-split over a tamely-ramified extension
Group Theory
2017-07-12 v1 Number Theory
Abstract
Let K be a discretly henselian field whose residue field is separably closed. Answering a question raised by G. Prasad, we show that a semisimple K-- group G is quasi-split if and only if it quasi--splits after a finite tamely ramified extension of K.
Keywords
Cite
@article{arxiv.1707.02977,
title = {Semi-simple groups that are quasi-split over a tamely-ramified extension},
author = {Philippe Gille},
journal= {arXiv preprint arXiv:1707.02977},
year = {2017}
}